Definition, synonyms and related words
plural of light
"The anatomist pointed out that the ancient term for lights referred to the lungs because they were lighter than other body parts."
The lungs, now chiefly of an animal (being lighter than adjacent parts).
In plain English: Lights are the devices that give off light to make things visible when it is dark.
"The lights were left on all night."
Usage: Do not use "lights" to refer to lungs; that is a rare or archaic term. In everyday usage, lights are the sources of illumination such as bulbs or fixtures used to brighten a room.
Third-person singular simple present indicative form of light
"The sun lights up the garden as soon as morning arrives."
In plain English: To light something means to make it shine by turning on a lamp, candle, or fire.
"Please turn on the lights so we can see to work in the dark room."
Usage: Use lights when referring to the third-person singular action of igniting or turning on illumination, such as he lights the candle. Do not use it for other meanings like lighting a cigarette without the specific verb context, as that often requires different phrasing.
Derived from Old English leoht, meaning brightness or illumination, the plural form refers to sources of light. It entered Middle English with the same core sense before expanding to include metaphorical meanings such as intelligence or hope.